3621749315 has 8 divisors (see below), whose sum is σ = 4574841360. Its totient is φ = 2744904672.

The previous prime is 3621749311. The next prime is 3621749321. The reversal of 3621749315 is 5139471263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3621749315 - 2² = 3621749311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3621749311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19061744 + ... + 19061933.

It is an arithmetic number, because the mean of its divisors is an integer number (571855170).

Almost surely, 2^3621749315 is an apocalyptic number.

3621749315 is a deficient number, since it is larger than the sum of its proper divisors (953092045).

3621749315 is a wasteful number, since it uses less digits than its factorization.

3621749315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38123701.

The product of its digits is 136080, while the sum is 41.

The square root of 3621749315 is about 60180.9713696946. The cubic root of 3621749315 is about 1535.6990969349.

The spelling of 3621749315 in words is "three billion, six hundred twenty-one million, seven hundred forty-nine thousand, three hundred fifteen".